<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <h3>some about snack.</h3>
    <!--<button></button>-->
    <div class="btn-group" uib-dropdown is-open="status.isopen">
        <button id="single-button" type="button" class="btn btn-warning" uib-dropdown-toggle ng-disabled="disabled">
            操作 <span class="caret"></span>
        </button>
        <ul uib-dropdown-menu role="menu" aria-labelledby="single-button">
            <li role="menuitem"><a href="#">Action</a></li>
            <li role="menuitem"><a href="#">Another action</a></li>
            <li role="menuitem"><a href="#">Something else here</a></li>
            <li class="divider"></li>
            <li role="menuitem"><a href="#">Separated link</a></li>
        </ul>
    </div>

</body>
</html>
